<template>
 <div id="sonApp">
   <div class="son">这是显示的son组件：{{title1}}</div>
 </div>
</template>
<script>
export default {
  props:['title1']
}
</script>
<style scoped>
#sonApp div{
  width: 200px;
  height: 200px;
  background-color: red;
}
</style>